specifications:
Focal length: 14 mm
Aperture ratio: 1:2.8
Lens construction: 10 groups, 14 elements
Coating: S. S. C. (super spectra coating)
Angles of view: Diagonal 114. Vertical 81° Horizontal 104°.
Distance scale: (m) 0.25 (magnification 0.1X) to 2.oo (ft) 0.9 to 7.oo
Focusing: Helicoid
Minimum aperture: f/22. A
Diaphragm: Automatic

It\'s not easy to master the 14mm lens but once you have familiarized yourself with its optical characteristics, that\'s where the excitement begins.